FR845370A - Calculating device - Google Patents

Calculating device

Info

Publication number
FR845370A
FR845370A FR845370DA FR845370A FR 845370 A FR845370 A FR 845370A FR 845370D A FR845370D A FR 845370DA FR 845370 A FR845370 A FR 845370A
Authority
FR
France
Prior art keywords
calculating device
calculating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Leenhardt Tony Albert
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR845370A publication Critical patent/FR845370A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand manipulated computing devices
    • G06G1/02—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
    • G06G1/04—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction
FR845370D 1938-10-29 1938-10-29 Calculating device Expired FR845370A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR845370T 1938-10-29

Publications (1)

Publication Number Publication Date
FR845370A true FR845370A (en) 1939-08-21

Family

ID=9312804

Family Applications (1)

Application Number Title Priority Date Filing Date
FR845370D Expired FR845370A (en) 1938-10-29 1938-10-29 Calculating device

Country Status (1)

Country Link
FR (1) FR845370A (en)

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